?? () from /usr/lib/i386-linux-gnu/libQtSql.so.4
QSqlQuery::QSqlQuery(QString const&, QSqlDatabase) () from /usr/lib/i386-linux-gnu/libQtSql.so.4
LibraryQuery::LibraryQuery(QueryOptions const&) ()
LibraryBackend::GetSongByUrl(QUrl const&, long long) ()
SongLoader::EffectiveSongsLoad() ()